Washington · Snohomish County
Prospect

Glacier Peak

Snohomish County, Washington, United States
MolybdenumCopperTungstenSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMolybdenum, Copper
SecondaryTungsten, Silver, Gold
Commodity typeM
Deposit
Deposit typeporphyry copper
Model79: Porphyry Cu-Mo
Deposit sizeN
Orebody formVEINLET STOCKWORK, DISSEMINATED
Ore controlFracturing Intensity And East-West Sheeted Fissures
Materials
Ore mineralsChalcocite, Chalcopyrite, Covellite, Cuprite, Enargite, Galena, Malachite, Marcasite, Molybdenite, Pyrite, Pyrrhotite, Scheelite, Sphalerite, Tennantite, Azurite, Copper, Gold
GangueAnkerite, Epidote, Ilmenite, Kaolinite, Limonite, Mica, Quartz, Realgar, Siderite, Talc, Tourmaline, Arsenopyrite, Calcite
Geology
Host rockGneiss,Granitoid · "Cloudy Pass Pluton;Totem Pass Migmatite;Cloudy Pass Pluton", "Cloudy Pass Pluton"
Associated rockAndesite
StructureMajor East-Northeast Trending Shear Zone, Northwest Projection Of Entiat Fault
Tectonic settingCascade Volcanic Arc
AlterationPotassic, Phyllic, Propylitic
Economic & production
Development statusProspect
Discovery year1900
Identification
Deposit ID10008495
MRDS IDD000686
Alternate namesCalumet, Miners Ridge
RegionNA
Data scoreA
Coordinates48.1976, -120.98037
References
PURDY, C.P. JR., 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 18, P. 63-64.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 84.DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 347-348.HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 28-29.GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 58, P. 71-74.GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 27,GRANT, A.R., 1982, SUMMARY OF ECONOMIC GEOLOGY DATA FOR THE GLACEIR PEAK WILDERNESS, CHELAN, SNOHOMISH, AND SKAGIT COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-408, P. 16-18.STOTELMEYER, R.B., JOHNSON, F.L., MCHUGH, E.L., FEDERSPIEL, F.E., DENTON, D.K., JR., AND STEBBINS, S.A., 1982, MINERAL INVESTIGATION OF THE GLACKER PEAK WILDERNESS AND ADJACENT AREAS, CHELAN, SKAGIT, AND SNOHOMISH COUNTIES, WASHIGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 89-82, P. 16.1917 DIREXPL AMERICAN METALS1937 DIREXPL M.A. HANNA CO.1943 DIREXPL INTERNAT'L SMELT. & REFIN. CO.U.S. FOREST SERVICE, 1967, MINING IN THE GLACIER PEAK WILDERNESS: FACT SHEET, 3 P.COLLINS, J. J., SCHOLZ, E. A., 1943, REPORT ON THE GLACIER PEAK COPPER AND MOLYBDENUM PROSPECT: U.S. GEOLOGIC SURVEY WAR MINERALS INVESTIGATION, 64 P.BEAR CREEK MINING COMPANY, 1957, FINAL REPORT GLACIER PEAK PROJECT SNOHOMISH COUNTY, WASHINGTON: PRIVATE COMPANY REPORT, 36 P.ANDERSON, C. F., 1963, REPORT OF MINERAL EXAMINATION: U.S. DEPARTMENT OF AGRICULTURE, PATENT APPLICATION NO. W-04504, 9 P.KAISER ENGINEERS, 1967, GLACIER PEAK PROJECT SITE SELECTION STUDIES: PRIVATE REPORT PREPARED FOR KENNECOTT COPPER CORPORATION.Stotelmeyer, R. B., Johnson, F.L. McHugh, E.L., Federspiel, F.E., Denton, D.K., Jr., and Stebbins, S.A., 1981, Mineral resources of the Glacier Peak Wilderness and adjacent areas, Chelan, Skagit, and Snohomish counties, Washington: U.S. Bureau of Mines unpublished report, 368 p., 3 plates, 27 figures. This report is in the Washington Department of Geology and Earth Resources library.REED, G. C., 1968, ANNUAL PROGRESS REPORT GLACIER PEAK PROJECT: PRIVATE COMPANY REPORT, BEAR CREEK MINING COMPANY, 5 P.REED, G. C., 1967, ANNUAL PROGRESS REPORT GLACIER PEAK PROJECT: PRIVATE COMPANY REPORT, BEAR CREEK MINING COMPANY, 7 P.KAISER ENGINEERS, 1967, GLACIER PEAK PRELIMINARY FEASIBILITY STUDY: PRIVATE REPORT PREPARED FOR KENNECOTT COPPERKENNECOTT COPPER CORPORATION, 1966, ECONOMIC EVALUATION OF THE GLACIER PEAK DEPOSIT: PRIVATE COMPANY REPORT.